/Engine/Plugins/Experimental/Mutable/Source/MutableRuntime/Public/MuR/MeshBufferSet.h
Set one channels of a buffer
void SetBufferChannel ( int32 buffer, int32 channelIndex, [MESH_BUFFER_SEMANTIC](API\Plugins\MutableRuntime\MuR\mu__MESH_BUFFER_SEMANTIC) semantic, int32 semanticIndice, [MESH_BUFFER_FORMAT](API\Plugins\MutableRuntime\MuR\mu__MESH_BUFFER_FORMAT) format, int32 componentCount, int32 offset )